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<?php $o1 = new StdClass; $o2 = new StdClass; $s = new SplObjectStorage(); $s->attach($o1); // similar to $s[$o1] = NULL; $s->attach($o2, "hello"); // similar to $s[$o2] = "hello"; $s->attach($o2, "cc"); foreach ($s as $k => $v) { var_dump($k, $v, $s->getInfo()); }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(0) object(stdClass)#1 (0) { } NULL int(1) object(stdClass)#2 (0) { } string(2) "cc"
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: SplObjectStorage::attach() expects exactly 1 parameter, 2 given in /in/0l6TS on line 7 Warning: SplObjectStorage::attach() expects exactly 1 parameter, 2 given in /in/0l6TS on line 8 Fatal error: Call to undefined method SplObjectStorage::getInfo() in /in/0l6TS on line 11
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Fatal error: Class 'SplObjectStorage' not found in /in/0l6TS on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: splobjectstorage in /in/0l6TS on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: splobjectstorage in /in/0l6TS on line 5

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